May weather forecast
Forest Park, IN

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Weather in May

The last month of the spring, May, is a pleasant month in Forest Park, Indiana, with an average temperature fluctuating between 55.9°F (13.3°C) and 73°F (22.8°C).

Temperature

May signals a shift in the average high-temperature, moving from April's enjoyable 63.1°F (17.3°C) to an agreeable 73°F (22.8°C). In Forest Park, in May, the average low-temperature is a mild 55.9°F (13.3°C).

Humidity

In Forest Park, the average relative humidity in May is 80%.

Rainfall

The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 3.5" (89mm) of precipitation.

Snowfall

In Forest Park, snow does not fall in May through October.

Daylight

In Forest Park, the average length of the day in May is 14h and 20min.
On the first day of May, sunrise is at 6:44 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 9:03 pm EDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What are May temperatures?

In May, in Forest Park, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 55.9°F (13.3°C).

What is the average humidity in May?

The average relative humidity in May in Forest Park is 80%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 3.5" (89mm) of precipitation.

How many days does it rain in May?

In Forest Park, in May, during 18.3 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Forest Park have in May?

In May, the average day length is 14h and 20min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:44 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 9:03 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.8h.

How high is the UV index in May?

In Forest Park, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Forest Park, IN

Average temperature in May - Forest Park, IN
  • Average high temperature in May: 73°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in May
Forest Park, IN

Average pressure in May - Forest Park, IN
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Forest Park, IN

Average wind speed in May - Forest Park, IN
  • Average wind speed in May: 7.1mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in May
Forest Park, IN

Average humidity in May - Forest Park, IN
  • Average humidity in May: 80%

The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Forest Park, IN

Average rainfall in May - Forest Park, IN
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in May
Forest Park, IN

Average rainfall days in May - Forest Park, IN
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).

Average snowfall in May
Forest Park, IN

Average snowfall in May - Forest Park, IN
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Forest Park, IN

Average snowfall days in May - Forest Park, IN
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Forest Park, IN

Average daylight in May / Average sunshine in May - Forest Park, IN
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in May
Forest Park, IN

Average sunshine days in May - Forest Park, IN
  • Average sunshine days in May: 10.3 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in May
Forest Park, IN

Average UV index in May - Forest Park, IN
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Forest Park, IN

Average cloud cover in May - Forest Park, IN
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in May
Forest Park, IN

Average visibility in May - Forest Park, IN
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are July and December (5mi).

Forest Park, Indiana, USA

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